结果分析中...
检索条件:"关键词=field "
条 记 录,以下是1-10
|
视图:
排序:
期刊SELF ASSEMBLY OF ABC TRIBLOCK COPOLYMER THIN FILMS ON A BRUSH-COATED SUBSTRATE被引量:1
《高分子科学:英文版》2009年第4期583-592,共10页汪蓉 薛奇 
supported by the National Natural Science Foundations of China(Nos.20504013,20674035,20874046 and50533020);the National Basic Research Program of China(No.2007CB825101);the Nanjing University TalentDevelopment Foundation(No.0205004107);the Natural Science Foundation of Nanjing University(No.0205005216).
Self assemblies of ABC triblock copolymer thin films on a densely brush-coated substrate were investigated by using the self-consistent field theory.The middle block B and the coated polymer form one phase and the alt...显示全部
关键词:Functional self-assembly Thin film Simulation Self-consistent field theory ABC triblock copolymer 
期刊The action and analysis of magnetic field on the lubricants and wear products in the process of wearing
《中国科学:数学英文版》2001年第S1期267-272,共6页ZHOU Qiang XU Ruiqing Mechanical Engineering College, China Agriculture University, Beijing 100083, China 
The magnetic field is an important factor in the conditioning and controlling tribologicalproperty. This paper analyzes and describes the physical effects and chemical natures of magneticfield to affect the friction, ...显示全部
关键词:magnetic field friction and WEAR LUBRICANT boundary film micro-particles alkylated metal micro-debris 
期刊THE TANGENTIAL DISCONTINUOUS SURFACE OF VELOCITY IN SOLAR CHROMOSPHERE
《中国科学:数学英文版》1991年第11期1354-1364,共11页胡文瑞 张洪起 陈济民 
Project supported by Academia Sinica under contract 87-64.
The data of velocity and magnetic fields in the solar photosphere (5324 A) and thechromosphere (4861 A) clearly show the features of tangential discontinuity of velocity inthe chromosphere. The velocity fields in and ...显示全部
关键词:SOLAR CHROMOSPHERE MAGNETIC field VELOCITY field. 
期刊Dynamical classification of topological quantum phases被引量:2
《科学通报:英文版》2018年第21期1385-1391,共7页Lin Zhang Long Zhang Sen Niu Xiong-Jun Liu 
supported by the National Key Research and Development Program of China (2016YFA0301604);National Natural Science Foundation of China (11574008 and 11761161003);the Thousand-Young-Talent Program of China
Topological phase of matter is now a mainstream of research in condensed matter physics, of which the classification, synthesis, and detection of topological states have brought excitements over the recent decade whil...显示全部
关键词:QUENCH dynamics TOPOLOGICAL quantum phase Band inversion SURFACE Bulk-surface duality DYNAMICAL TOPOLOGICAL invariant ULTRACOLD atoms Synthetic gauge field 
期刊Method of lines for temperature field of functionally graded materials
《中南大学学报:英文版》2005年第S2期230-232,共3页戴耀 孙琦 郝贵祥 燕秀发 李永东 
Project(90305023and59731020)supportedbytheNationalNaturalScienceFoundationofChina
The finite element method (FEM) and the boundary element method (BEM) are often adopted. However, they are not convenient to spatially vary thermal properties of functionally graded material (FGM). Therefore, the meth...显示全部
关键词:functionally GRADED MATERIALS METHOD of LINES TEMPERATURE field 
期刊Numerical Study of Trapped Solid Particles Displacement From the Elbow of an Inclined Oil Pipeline
《工程与科学中的计算机建模(英文)》2019年第10期273-290,共18页Dingqian Ding Yongtu Liang Yansong Li Jianfei Sun Dong Han Jing Liu 
This work is part of the program of“The research on the optimization and supply-side reliability of oil product logistics system(No.51874325)”,which is funded by the National Natural Science Foundation of China.
The solid particle impurities generated by pipe wall corrosion might deposit at the elbow of hilly pipelines during the production shutdown of oil pipelines.These solid particle impurities will seriously affect the sa...显示全部
关键词:PARTICLE DISPLACEMENT hydraulic PIGGING method CFD-DEM coupling multi-physical field 
期刊Reservoir-forming conditions and key exploration & development techniques for Xushen gas field in Northeast China
《石油研究(英文)》2019年第2期125-147,共23页Fenglan Wang Yongzhuo Wang Xuemin Zhou Changhai Yin Ping Shu Baojun Cao Yingkang Zhu 
The work was supported by the Major Project of PetroChina Company Limited(No.110017333011).
Exploration and development of volcanic gas reservoirs is a world-class problem,and less experience can be learned at home and abroad.Through study of reservoir-forming conditions of Xushen gas field,four sets of hydr...显示全部
关键词:Xushen gas field Reservoireforming conditions Volcanic rock Development PRODUCTIVITY Optimum design 
期刊Recognition of weeds at asparagus fields using multi-feature fusion and backpropagation neural network
《国际农业与生物工程学报(英文)》2021年第4期190-198,共9页Yafei Wang Xiaodong Zhang Guoxin Ma Xiaoxue Du Naila Shaheen Hanping Mao 
This work was partially supported by the National Natural Science Foundation of China(Grant No.32071905;No.61771224);the National Key Research and Development Plan of China(Grant No.2018YFF0213601);the National Natural Science Foundation of China(Grant No.61771224);the Jiangsu Demonstration Project of Modern Agricultural Machinery Equipment and Technology(Grant No.NJ2019-19);the China Agriculture Research System(CARS-23-C03).
In order to solve the problem of low recognition rates of weeds by a single feature,a method was proposed in this study to identify weeds in Asparagus(Asparagus officinalis L.)field using multi-feature fusion and back...显示全部
关键词:weeds recognition image processing feature extraction multi-feature fusion BP neural network asparagus field 
期刊A MATLAB code for the material-field series-expansion topology optimization method
《机械工程前沿:英文版》2021年第3期607-622,共16页Pai LIU Xiaopeng ZHANG Yangjun LUO Yi YAN 
The authors acknowledge the support of the National Key R&D Program of China(Grant No.2017YFB0203604);the National Natural Science Foundation of China(Grant Nos.11902064 and 11772077);the Liaoning Revitalization Talents Program,China(Grant No.XLYC1807187).
This paper presents a MATLAB implementation of the material-field series-expansion(MFSE)topology optimization method.The MFSE method uses a bounded material field with specified spatial correlation to represent the st...显示全部
关键词:MATLAB implementation topology optimization material-field series-expansion method bounded material field dimensionality reduction 
期刊Accelerating Effect in Kerr-Newman-Kasuya field
《理论物理通讯:英文版》2002年第10期509-512,共4页CAO Deng WANG Yong-Jiu 
We have obtained expressions of the accelerating effect in Kerr-Newman Kasuya field. These expressionsinclude four parameters: mass m, angular momentum a, electric charge q, and magnetic charge φ. Furthermore we stud...显示全部
关键词:acceleration  MAGNETIC charge  Kerr-Newman-Kasuya field 
共481页<12345678910
聚类工具

北京电子科技职业学院特色库 版权所有 ©2018